The Largest Geothermal Power Plants in the US

PlantCity/CountyStatePrimary Fuel TypeMWh GeneratedCO2 EmissionsRank EmissionsCO2 Emissions/MWhRant Emissions/MWhClosing Date
North ValleyNorth Valley (100.00%)
Churchill County NV Geothermal76,492MWh11
McGinness Hills 3Ormat Nevada Inc (100.00%)
Lander County NV Geothermal548,343MWh11
Calistoga Power PlantCalpine (100.00%)
Lake County CA Geothermal486,691MWh11
Dixie ValleyOrmat Nevada Inc (100.00%)
Churchill County NV Geothermal459,210MWh11
Geysers Unit 5-20Calpine (100.00%)
Sonoma County CA Geothermal4,568,382MWh11
Coso Finance PartnersCoso Operating Co LLC (100.00%)
Inyo County CA Geothermal439,423MWh11
Lightning Dock Geothermal HI-01, LLCLightning Dock Geothermal HI-01, LLC (100.00%)
Cotton City CDP NM Geothermal40,731MWh11
Sonoma County CA Geothermal404,772MWh11
Coso Power DevelopersCoso Operating Co LLC (100.00%)
Inyo County CA Geothermal378,983MWh11
John L. Featherstone PlantHudson Ranch Power I LLC (100.00%)
Imperial County CA Geothermal369,968MWh11
Tungsten MountainTungsten Mountain (100.00%)
Churchill County NV Geothermal347,767MWh11
Sonoma County CA Geothermal226,751MWh11
Soda Lake 3AMOR IX, LLC (100.00%)
Churchill County NV Geothermal114,819MWh11
Matt Hope
Last Reviewed By: Matt Hope
Published: 2023-11-30